4129725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 7499520

約数和(自身を除く): 3369795

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 79, 85, 123, 205, 237, 255, 395, 425, 615, 697, 1025, 1185, 1275, 1343, 1975, 2091, 3075, 3239, 3485, 4029, 5925, 6715, 9717, 10455, 16195, 17425, 20145, 33575, 48585, 52275, 55063, 80975, 100725, 165189, 242925, 275315, 825945, 1376575, 4129725]

約数ペア:

[(1, 4129725), (3, 1376575), (5, 825945), (15, 275315), (17, 242925), (25, 165189), (41, 100725), (51, 80975), (75, 55063), (79, 52275), (85, 48585), (123, 33575), (205, 20145), (237, 17425), (255, 16195), (395, 10455), (425, 9717), (615, 6715), (697, 5925), (1025, 4029), (1185, 3485), (1275, 3239), (1343, 3075), (1975, 2091)]